Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The arrival of September records an average high-temperature of a still comfortable 66.2°F (19°C), closely related to the 67.5°F (19.7°C) observed in August. During September, Gardiner records a consistent average nighttime temperature of 52°F (11.1°C).Humidity
In September, the average relative humidity is 82%.Rainfall
In Gardiner, Oregon, in September, during 6.5 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. Throughout the year, there are 126.6 rainfall days, and 17.87" (454mm) of precipitation is accumulated.Snowfall
March through October and December are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:13 am and sunset at 6:58 pm PDT.
Sunshine
The average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Gardiner in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Gardiner, OR
- Average high temperature in September: 66.2°F
The warmest month (with the highest average high temperature) is August (67.5°F).
The month with the lowest average high temperature is December (48.7°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (41°F).
Average pressure in September
Gardiner, OR
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is September (30.01"Hg).
Average wind speed in September
Gardiner, OR
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is March (9mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in September
Gardiner, OR
- Average humidity in September: 82%
The months with the highest relative humidity are February and August (84%).
The month with the lowest relative humidity is October (81%).
Average rainfall in September
Gardiner, OR
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in September
Gardiner, OR
- Average rainfall days in September: 6.5 days
The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is August (2.8 days).
Average snowfall in September
Gardiner, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").
Average snowfall days in September
Gardiner, OR
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and November (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Gardiner, OR
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).
Average sunshine days in September
Gardiner, OR
- Average sunshine days in September: 22 days
The month with the most sunshine days is July (25.6 days).
The month with the least sunshine days is February (12.9 days).
Average UV index in September
Gardiner, OR
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in September
Gardiner, OR
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility in September
Gardiner, OR
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Gardiner, Oregon, USA
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